Teaser 1: Feed me and I live, yet give me a drink and I die.
Teaser 2: Forward I am heavy, but backward I am not. What am I?
Answer: Forward I am ton, backward I am not
Teaser 3: He has married many women, but has never been married. Who is he?
Teaser 4: Take off my skin - I won't cry, but you will! What am I?
Answer: An onion
Teaser 5: Imagine you are in a dark room. How do you get out?
Answer: Stop imagining